Add Watermark

Overlay a repeating text watermark with adjustable opacity, size, and angle. Applied locally to every page.

Runs in browserIn: PDF → Out: PDF

Drop your file here or click to browse

Select a single file

Files are read locally — never uploaded

Add a file to enable processing.

This tool runs entirely in your browser. Your file is read into this tab, processed on your device, and never uploaded to PDFDig or any third party. Closing the tab clears it from memory.

Frequently asked

Is the watermark permanent?+

It's drawn into the page content, so it stays with the file. Flatten the PDF afterward if you want to discourage easy removal.